1. IOR/X/14521 Reference (shelfmark): IOR/X/14521 Title: Ceylon, Showing Planned River Basin Development Of Land, Irrigation And Power. Scope & Content: 1:506,880, Scale 8 miles to an inch. Surveyor General, Ceylon [c1967?]. Drawn & printed SDC. [No date.] Collection Area: Map Collections Languages: English Date Range: Unspecified Extent: Two copies.